XML 57 R39.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Warranties - Additional Information (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Dec. 01, 2018 | Jun. 02, 2018
Product Warranty Liability [Line Items] |  |
Warranty reserves | $ 0.2 | $ 0.1
Minimum |  |
Product Warranty Liability [Line Items] |  |
Warranty term | 1 year |
Maximum |  |
Product Warranty Liability [Line Items] |  |
Warranty term | 3 years |

X
- Definition Warranty reserves. + References No definition available. + Details
Name: | rell_WarrantyReserves
Namespace Prefix: | rell_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The approximate term of the warranty, + References No definition available. + Details
Name: | rell_WarrantyTerm
Namespace Prefix: | rell_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ProductWarrantyLiabilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |